title: Case 20-2008: Abdominal pain and weakness after gastric bypass surgery.
authors.forename: Bruce R
authors.initials: BR
authors.lastname: Bistrian
mesh_terms: D015746:Abdominal Pain / Q000209:etiology; D004032:Diet; D015390:Gastric Bypass; D006801:Humans; D018908:Muscle Weakness / Q000209:etiology*; D011164:Porphyrias / Q000175:diagnosis; D011183:Postoperative Complications / Q000209:etiology*; D011502:Protein-Energy Malnutrition / Q000150:complications*